progressmonitordialog1.java

Eclipse从入门到精通源代码/第二篇 SWT_JFace篇(6-16章)

/**
 * @作者：陈刚
 * @Email：[e-mail]
 * @Blog：http://blog.csdn.net/glchengang
 */
package jface.dialog;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class ProgressMonitorDialog1 {

    public static void main(String[] args) {
        try {
            ProgressMonitorDialog1 window = new ProgressMonitorDialog1();
            window.open();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void open() {
        final Display display = Display.getDefault();
        final Shell shell = new Shell();
        shell.setSize(500, 375);
        shell.setText("SWT Application");

        shell.setLayout(new RowLayout());
        Button button = new Button(shell, SWT.BORDER);
        button.setText("        GO          ");
        button.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                //第一步：创建一个进度条对话框对象
                ProgressMonitorDialog pmd = new ProgressMonitorDialog(shell);
                //第二步：创建进度条对话框的处理过程对象
                IRunnableWithProgress rwp = new IRunnableWithProgress() {
                    public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
                        monitor.beginTask("开始执行......", 10);
                        //10次循环，每次间隔一秒
                        for (int i = 0; i < 10; i++) {
                            try {
                                Thread.sleep(1000);
                            } catch (Throwable e2) {
                            } //间隔一秒
                            monitor.setTaskName("第" + (i + 1) + "次循环");
                            monitor.worked(1);//进度条前进一步
                        }
                        monitor.done();//进度条前进到底
                    }
                };
                try {
                    //第三步：运行对话框，第二个参数为false表示对话框上的取消按钮不可用
                    pmd.run(false, false, rwp);
                } catch (Exception e3) {
                    e3.printStackTrace();
                }
            }
        });

        shell.layout();
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
    }

}